Brekeke logs failed authentifikation at register

1. Brekeke Product Name and Version:
Version 3.2.4.3 Advanced
2. Java version:

3. OS type and the version:

4. UA (phone), gateway or other hardware/software involved:

5. Your problem:
Brekeke seems to log the "normal failed" authentication requests at a sip register and reregister.

Is this normal?

Is there a maintained known bugs list?

Greetings

do you mean error log?
with v3.3, error log can turn on/off and have set to log the invite error only